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प्रश्न
How many electrons do inert gases have in their valence shells?
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उत्तर
All the noble or inert gases have 8 electrons in their valence shell except helium which has two electrons in its valence shell.
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What are the following group known as?
Group 1
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the first three alkaline earth metals.
How do alkaline earth metals occur in nature?
Name the gas used in:
Filling balloons
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Inert gases do not form compounds.
‘The periodic table contains elements methodically grouped together’.
